Critical point drying
Critical point drying process is conducted in high pressure (90 bar) by using liquid Carbon Dioxide. At the critical point physical characteristics of liquid and gaseous are not distinguishable. Compounds which are in the critical point can be converted into the liquid or gaseous phase without crossing the interfaces between liquid and gaseous avoiding the damaging effects. Waterfrom your sample can be replaced against liquid carbon dioxide (CO2), whose critical point lies at 31 °C and 74 bar and is suitable for all biological applications. Wafers with up to 150 mm in diameter can be processed with this sytem.


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